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<h1 class="entry-title" itemprop="headline" ><a href="https://sreweekly.com/sre-weekly-issue-463/">SRE Weekly Issue #463</a></h1>
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<div class="entry-date" itemprop="datePublished" >
<i class="genericon genericon-day"></i><a class="updated" href="https://sreweekly.com/sre-weekly-issue-463/">February 9, 2025</a>
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<a class="email_only" href="https://sreweekly.com/sre-weekly-issue-463/">View on sreweekly.com</a>
<div class="sreweekly-sponsor-message" style="border: 1px solid #b0b0b0;margin-top: 2rem;margin-bottom: 2rem;margin-left: auto;margin-right: auto;padding-left: 1rem;padding-right: 1rem;width: 80%;align: center;">
<h2 style="text-align: center;font-size: 80%;color: #909090;">A message from our sponsor, <a href="https://incident.io/">incident.io</a>:</h2>
<p>Incidents move fast—so should your response. That&#8217;s why we&#8217;re building an AI responder that thinks like your team, not a machine. See how we&#8217;re doing it, the challenges faced, and what else is on the AI roadmap. </p>
<p><a href="https://www.youtube.com/watch?v=rNpwZPOUhuE">https://www.youtube.com/watch?v=rNpwZPOUhuE</a></p>
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<div class="sreweekly-title"><a href="https://www.thecoder.cafe/p/probabilistic-increment" target="_blank" rel="noopener">Probabilistic Increment</a></div>
<div class="sreweekly-description"><p>Sometimes, we can harness randomness to improve throughput and reliability.</p>
<p>&nbsp;&nbsp;<small>Teiva Harsanyi &mdash; The Coder Cafe</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://www.checklyhq.com/blog/heroku-to-aws-migration" target="_blank" rel="noopener">How We Migrated Checkly From Heroku to AWS </a></div>
<div class="sreweekly-description"><p>Not just the &#8220;how&#8221;, but also the &#8220;why&#8221;, along with the challenges they found along the way.</p>
<p>&nbsp;&nbsp;<small>Daniel Paulus and Umut Uzgur &mdash; Checkly</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://stripe.com/blog/using-ml-to-detect-and-respond-to-performance-degradations-in-slices-of-stripe-payments" target="_blank" rel="noopener">Using ML to detect and respond to performance degradations in slices of Stripe payments</a></div>
<div class="sreweekly-description"><p>It&#8217;s a classic problem: how do you detect problems that badly impact a specific set of customers, when the overall percentage affected is tiny?</p>
<p>&nbsp;&nbsp;<small>Lakshmi Narayan and Joshua Delman &mdash; Stripe</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://newsletter.scalablethread.com/p/what-is-the-byzantine-generals-problem" target="_blank" rel="noopener">What is the Byzantine Generals Problem in Distributed Systems?</a></div>
<div class="sreweekly-description"><p>This is the clearest and most concise explanation of the Byzantine Generals Problem that I&#8217;ve read.</p>
<p>&nbsp;&nbsp;<small>Sid &mdash; The Scalable Thread</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="http://queue.acm.org/detail.cfm?ref=rss&#038;id=3711677" target="_blank" rel="noopener">Simulation: An Underutilized Tool in Distributed Systems</a></div>
<div class="sreweekly-description"><blockquote>
<p>Th[is] article describes some different methods and tools that engineers can use to simulate their clusters and what knowledge they can gain from it, and it presents a case study using SimKube, the Kubernetes simulator developed by Applied Computing Research Labs in 2024.</p>
</blockquote>
<p>&nbsp;&nbsp;<small>David R. Morrison &mdash; ACM Queue</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.railway.com/p/incident-december-16-2024" target="_blank" rel="noopener">Incident Report: December 16th, 2024</a></div>
<div class="sreweekly-description"><p>An IaaC nightmare: when a list went from having IPs to being empty, suddenly the IP block rule was interpreted as &#8220;block <em>everything</em>&#8221; rather than &#8220;block nothing&#8221;.</p>
<p>&nbsp;&nbsp;<small>Jake Cooper &mdash; Railway</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://blog.cloudflare.com/cloudflare-incident-on-february-6-2025/" target="_blank" rel="noopener">Cloudflare incident on February 6, 2025</a></div>
<div class="sreweekly-description"><blockquote>
<p>The incident occurred due to human error and insufficient validation safeguards during a routine abuse remediation for a report about a phishing site hosted on R2. </p>
</blockquote>
<p>&nbsp;&nbsp;<small>Matt Silverlock and Javier Castro &mdash; Cloudflare</small></p></div></div>
<div class="sreweekly-entry">
<div class="sreweekly-title"><a href="https://thebulletin.org/2025/02/why-doges-meddling-at-treasury-could-have-catastrophic-consequences-for-the-us-economy/" target="_blank" rel="noopener">Why DOGE’s meddling at Treasury could have catastrophic consequences for the US economy</a></div>
<div class="sreweekly-description"><p>Along with being blatantly illegal, DOGE&#8217;s actions are incredibly risky from a reliability perspective. Thanks, Liz, for putting into words concerns that I also share.</p>
<p>&nbsp;&nbsp;<small>Liz Fong-Jones &mdash; Bulletin of the Atomic Scientists</small></p></div></div>
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